You are cosmonaut and you have a strategic mission - to save space from terrible monsters. First you need to construct a rocket to start your cosmodrive. But rocket can't start the engine without fuel. Fill it up with fuel and you'll be able to fly to the next level. Kill the enemies you meet on your way to get points. There are several kinds of monsters. You get the score for every enemy and extra lives. Collect all useful bonuses. Free to play!